Two big names in the Muay Thai world are set to clash on May 31st in Hong Kong. Fight Factory has put together their "Arena" card and in the main event, Belarussian Andrei Kulebin takes on the current Super Welterweight champ of Lumpinee Stadium, Saiyok Pumpanmuang under full Thai rules. Kulebin looks to bounce back from a lackluster win over Italian Angelo Campoli at Fight Code: Dragon Series Round 2 on March 12. Kulebin picked up the win but the fight was more competitive than many thought it would be. Saiyok has not lost for years and is looking to continue his winning streak with a convincing win over the Belarussian.